This 8" x 11" Humidor Bag includes Humidipak's patented 2-way humidity control technology on the inside -- the same technology used in boxes of Fuente Fuente Opus X, Arturo Fuente Don Carlos, Hemmingway and others. The Humidor Bag is a high-barrier laminated bag with a resealable zipper. It's an inexpensive and totally maintenance-free solution for storing and aging your fine cigars. Good for 6 months of cigar storage.